1516nm DWDM DFB semiconductor Laser diode-LD-PD PTE. LTD.

1516nm DWDM DFB semiconductor Laser diode

Central wavelength 1516nm, Output power 10mW; Linewidth 3MHz; PM1550 Fiber; FC/APC; Pump Type B

Part Number : DWDM-DFB-1516-B-A81-PA

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Overview
Laser Specifications
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RFQ

C+L Band DWDM DFB(Distributed feedback type) semiconductor laser is a 14PIN butterfly package, with built-in TEC, lens, thermistor and PD integrated in the 14PIN butterfly package. The airtight design meets the requirements of telecommunications grade work. It has the characteristics of narrow line width and high power (20mW). It supports pigtail PM1550 or SMF-28E device output, and also supports customer-specified pin definition customization.

Tsub=25°C, CW bias unless stated otherwise

Optical Electrical Characteristics (TCHIP = 15 - 35 °C, TCASE = 25 °C, Iop = 150 mA)

Parameters	Min	Typ.	Max	Unit
Central wavelength	1515	1516	1517	nm
Side Mode Suppression Ratio（SMSR）	40	50	-	dB
Linewidth*1	-	3	-	MHz
Power In fiber	10	20	-	mW
Forward Voltage	-	2.0	2.5	V
Forward Current	-	120	150	mA
Mode hope free tuning current	20	50	-	mA
Threshold Current	-	15	-	mA
Quantum Efficiency	-	0.25	-	W/A
Current Tuning Coefficient	-	0.002	-	nm/mA
Temperature Tuning Coefficient	-	0.08	-	nm/°C
MPD Responsivity	-	0.5	-	A/W
PER(PM Version)	-	18	-	dB

*1 reference below linewidth testing value.

Pigtail parameters

Fiber Type	SM15-PS-U25D
Mode Field Diametera	10.5 ± 0.5 µm @ 1550nm
Numerical Aperture	0.12
Fiber Length	1.0m
Connector	FC/APC (2.0 mm Narrow Key)
Jacket	Ø900 µm

Maximum rating values

Parameters	Typical value	unit
Power in fiber	10	mW
Max Driving Current	150	mA
LD Reverse Voltage	2	V
PD Reverse Voltage	15	V
Operation case temp	0 to 50	°C
Storage Temp	-10 to 65	°C
TEC Current	2.5	A
TEC Voltage	4.0	V
Thermistor Resitance value	10	kohms

Optical Spectrum

1516.1.png

Wavelength Vs Current and temp Tuning

1516.2.png

DFB Linewidth Testing Result(50KM Delay）

L-I-V Curve

PER Value testing（PM Version）

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Product title: 1516nm DWDM DFB semiconductor Laser diode
Product link: http://www.ld-pd.com/?a=cpinfo&id=1652
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1516nm DWDM DFB semiconductor Laser diode

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